Valsa ambiens

Valsa ambiens
	Valsa ambiens on apple branch
Scientific classification
Kingdom:	Fungi
Division:	Ascomycota
Class:	Sordariomycetes
Order:	Diaporthales
Family:	Valsaceae
Genus:	Valsa
Species:	V. ambiens
Binomial name
	Valsa ambiens; (Pers.) Fr., (1849)
Synonyms
	Cryptodiaporthe populina (Fuckel) Petr., (1921); Cryptosporella populina (Fuckel) Sacc., (1879); Cytospora ambiens (Nitschke) Sacc., (1879); Cytospora germanica Sacc., (1884); Cytospora microstoma Sacc., (1884); Cytospora populina Rabenh.; Cytospora rhodophila Sacc., (1884); Sphaeria ambiens Pers., (1801); Sphaeria diatrypa Fr., (1823); Sphaeria microstoma Pers., (1801); Sphaeria tetraspora sensu Currey p.p.; fide Cannon, Hawksworth & Sherwood-Pike (1985); Valsa ambiens Nitschke, (1867); Valsa ambiens subsp. ambiens (Pers.) Fr., (1849); Valsa ambiens var. betulae Plowr.; Valsa ambiens var. carpini Cooke; Valsa ambiens var. coryli Sacc.; Valsa ambiens var. crataegi Cooke; Valsa ambiens var. mali Sacc.; Valsa ambiens var. populi Plowr.; Valsa ambiens var. pyri Cooke; Valsa betulina Nitschke, (1870); Valsa diatrypa (Fr.) Fr., (1849); Valsa diatrypa Nitschke, (1849); Valsa microstoma (Pers.) Fr., (1849); Valsa microstoma Nitschke, (1849); Valsa opulina Sacc. & Speg., (1889); Valsa pauperata Cooke & Ellis, (1881); Valsa populina Fuckel, (1871); Valsa rhodophila Berk. & Broome, (1859); Valsa subseriata Cooke, (1885); Valsella diatrypa (Fr.) Z. Urb., (1957)

Species of fungus

Valsa ambiens is a fungal pathogen which infects elms. It has also been identified causing valsa canker in apple trees.^[1]

References

^ Wang, Xuli; Shi, Cheng-Min; Gleason, Mark L.; Huang, Lili (2 December 2020). "Fungal species associated with apple Valsa canker in East Asia". Phytopathology Research. Retrieved 30 October 2025 – via Biomed Central.

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Valsa ambiens

Valsa ambiens on apple branch
Scientific classification
Kingdom:	Fungi
Division:	Ascomycota
Class:	Sordariomycetes
Order:	Diaporthales
Family:	Valsaceae
Genus:	Valsa
Species:	V. ambiens
Binomial name
*Valsa ambiens* (Pers.) Fr., (1849)
Synonyms
Cryptodiaporthe populina (Fuckel) Petr., (1921) Cryptosporella populina (Fuckel) Sacc., (1879) Cytospora ambiens (Nitschke) Sacc., (1879) Cytospora germanica Sacc., (1884) Cytospora microstoma Sacc., (1884) Cytospora populina Rabenh. Cytospora rhodophila Sacc., (1884) Sphaeria ambiens Pers., (1801) Sphaeria diatrypa Fr., (1823) Sphaeria microstoma Pers., (1801) Sphaeria tetraspora sensu Currey p.p.; fide Cannon, Hawksworth & Sherwood-Pike (1985) Valsa ambiens Nitschke, (1867) Valsa ambiens subsp. ambiens (Pers.) Fr., (1849) Valsa ambiens var. betulae Plowr. Valsa ambiens var. carpini Cooke Valsa ambiens var. coryli Sacc. Valsa ambiens var. crataegi Cooke Valsa ambiens var. mali Sacc. Valsa ambiens var. populi Plowr. Valsa ambiens var. pyri Cooke Valsa betulina Nitschke, (1870) Valsa diatrypa (Fr.) Fr., (1849) Valsa diatrypa Nitschke, (1849) Valsa microstoma (Pers.) Fr., (1849) Valsa microstoma Nitschke, (1849) Valsa opulina Sacc. & Speg., (1889) Valsa pauperata Cooke & Ellis, (1881) Valsa populina Fuckel, (1871) Valsa rhodophila Berk. & Broome, (1859) Valsa subseriata Cooke, (1885) Valsella diatrypa (Fr.) Z. Urb., (1957)